A plant that has been cultivated in an area and subsequently spread from there into the wild.
A plant that is on the away to becoming naturalized, having ‘escaped’ from cultivation. Espalier The technique of training a tree or shrub, most typically a fruit tree such as a peach or a fig, to grow flat against a wall or trellis. It was originally designed to encourage earlier ripening by holding the fruit close to the reflected warmth of the wall, but can also be used for decorative effect.
To break out of confinement; to leak or seep out.
An introduced or cultivated plant that has escaped from gardens and become naturalized in an area.
As in an introduced plant species that has escaped from cultivation into the wild.
Plants that have become established in the wild outside their natural distribution area by spread from (garden) cultivation.
An alien or introduced plant now growing wild in an area.